body{
  /*background: url(img/web_login.png);*/
  /*background-repeat: no-repeat;*/
}
<style>
	.seach{
		position: relative;
		width: 200px;
	}
	.pic{
		position: absolute;
		right: 10px;
		margin-top:5px ;
		z-index: 5;
		background-image:url(img/web_re_06.png) ;
		background-repeat: no-repeat;
		background-position: 0px 0px;
		width: 14px;
		height: 16px;
	}
	.username{
		padding-right:32px ;
	}
	/*#login-01{
		position: absolute;
		width: 200px;
	}*/
	.i-login{
		position: absolute;
		/*left: 0;*/
		z-index: 5;
		background-image:url(img/web_login_07.png) ;
		background-repeat:no-repeat ;
		background-position:0px 0px;
		width: 30px;
		height: 30px;
	}
	.e-mail{
		padding-left: 32px;
	}
	.i-login-02{
		position: absolute;
		z-index: 5;
		background-image:url(img/web_login_10.png) ;
		background-repeat:no-repeat ;
		background-position:0px 0px;
		width: 30px;
		height: 30px;
	}
	.password-01{
		padding-left:32px ;
	}
	/*#bt{
		width: 170px;
		height: 30px;
	}*/
	.bt-01{
		width: 210px;
		height: 30px;
		background: #FF5809;
		border-style:none ;
		border-radius:5px ;
	}
	.wetchat{
		width: 210px;
		height: 30px;
		background: #28FF28;
		border-style:none ;
		border-radius:5px ;
	}
	.i-login-03{
		position: absolute;
		left: 46%;
		bottom: 2px;
		z-index: 0;
		background-image:url(img/web_login_13.png) ;
		background-repeat:no-repeat ;
		background-position:0px 0px;
		width: 30px;
		height: 30px;
	}
	.qq{
		width: 210px;
		height: 30px;
		background: deepskyblue;
		border-style:none ;
		border-radius:5px ;
	}
	.i-login-04{
		position: absolute;
		left: 46%;
		bottom: 2px;
		z-index: 0;
		background-image:url(img/web_login_17.png) ;
		background-repeat:no-repeat ;
		background-position:0px 0px;
		width: 30px;
		height: 30px;
	}
	
